US 12,078,826 B2
Window member, display device, and method of manufacturing display device
Sang Hoon Kim, Hwaseong-si (KR); Min Sang Koo, Seongnam-si (KR); Kyung Man Kim, Anyang-si (KR); Yu Ri Kim, Guri-si (KR); Min Hoon Choi, Seoul (KR); and Seong Jin Hwang, Suwon-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Oct. 4, 2021, as Appl. No. 17/449,869.
Claims priority of application No. 10-2020-0128863 (KR), filed on Oct. 6, 2020.
Prior Publication US 2022/0107448 A1, Apr. 7, 2022
Int. Cl. G02B 5/18 (2006.01); B32B 3/30 (2006.01); B32B 7/023 (2019.01); G02B 1/00 (2006.01); G06F 1/16 (2006.01)
CPC G02B 5/1814 (2013.01) [B32B 3/30 (2013.01); B32B 7/023 (2019.01); G02B 1/002 (2013.01); G02B 5/1847 (2013.01); G06F 1/1652 (2013.01); B32B 2307/418 (2013.01); B32B 2457/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel; and
a window member on the display panel,
wherein the window member comprises:
a window base material comprising a flexible portion in which a first area having a first rigidity and a second area having a second rigidity that is less than the first rigidity are alternately located; and
a buffer layer located between the window base material and a filler layer, and having a refractive index that is less than a refractive index of the window base material and greater than a refractive index of the filler layer, such that a visibility of a pattern of the flexible portion is reduced.